Home / 2,950.61-4,421.78-2,219.33

Finding the Fourth Proportional to 2,950.61, 4,421.78 and 2,219.33

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Solution

The fourth proportional to 2,950.61, 4,421.78 and 2,219.33 is: 3,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.61 : 4,421.78 = 2,219.33 : x
  2. Step 2: Convert to fraction form
    2,950.61/4,421.78 = 2,219.33/x
  3. Step 3: Cross multiply
    2,950.61x = 4,421.78 × 2,219.33
  4. Step 4: Simplify right side
    2,950.61x = 9,813,380.73
  5. Step 5: Solve for x
    x = 9,813,380.73/2,950.61
  6. Step 6: Final answer
    x = 3,325.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.